page{
	background: #fff;
}
.container{
	position:relative;
	width: 100vw;
	height: 100vh;
	overflow: hidden;
}
.bottom-btn{
	bottom: 50rpx;
	left:50%;
	transform: translateX(-50%);
}
.bottom-bg{
	bottom:0;
	left:0;
}